1 The lac operon consists of three structural genes, and a promoter, a terminator, regulator, and an operator. 2  The three structural genes are: lacZ, lacY, and lacA.n this case, when lactose is required as a sugar source for the bacterium, the three genes of the lac operon can be expressed and their subsequent proteins translated: lacZ, lacY, and lacA.
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Sony Corporation (ã½ãã¼æ ªå¼ä¼ç¤¾, SonÄ« Kabushiki Gaisha) , commonly referred to as Sony, is a Japanese multinational conglomerate corporation headquartered in KÅnan Minato, Tokyo, Japan.ony Corporation is the electronics business unit and the parent company of the Sony Group. It primarily conducts strategic business planning of the group, research and development (R&D), planning, designing and marketing for electronics products.